Feeding mechanism of machining center

Abstract

The utility model discloses a machining center feeding mechanism which comprises a base, a material pushing mechanism, a material storage frame and a conveying mechanism, walking wheels are arranged at the lower end of the base, the material pushing mechanism, the material storage frame and the conveying mechanism are sequentially arranged on the upper end face of the base, and the material pushing mechanism pushes workpieces on the material storage frame to the conveying mechanism; the conveying mechanism is a belt conveyor, the front section of the conveying mechanism is a telescopic section, and the conveying mechanism is provided with a telescopic driving mechanism and a conveying belt loosening and tightening mechanism matched with the telescopic section when the telescopic section stretches out and draws back. The automatic feeding device achieves automatic feeding, improves efficiency and is low in cost.

Description

Technical Field

[0001] The utility model relates to the technical field of machining centers, and particularly relates to a loading mechanism for a machining center. Background Technique

[0002] When a machining center is machining parts, it has the characteristics of strong adaptability and good flexibility. It can machine parts with different shapes or sizes, and has high machining accuracy, stable and reliable machining quality, and high production automation, greatly reducing the labor intensity of operators. Therefore, it is widely used in the machining field. At present, the loading of the machining centers in use is usually carried out manually, and the efficiency of manual operation is low, which will cause a lot of time waste, and then lead to low output efficiency of the machining center. Some large enterprises use articulated robots for automatic loading, but the cost is high. Content of the Utility Model

[0003] Aiming at the problems existing in the prior art, the utility model provides a loading mechanism for a machining center.

[0004] To achieve the above object, the utility model provides the following technical solution: A loading mechanism for a machining center, including a base, a material pushing mechanism, a storage rack and a conveying mechanism. Walking wheels are arranged at the lower end of the base, and the material pushing mechanism, the storage rack and the conveying mechanism are sequentially arranged on the upper end surface of the base. The material pushing mechanism pushes the workpieces on the storage rack onto the conveying mechanism; the conveying mechanism is a belt conveyor, the front section of the conveying mechanism is a telescopic section, and a telescopic driving mechanism and a belt tensioning mechanism for adapting to the telescopic of the telescopic section are arranged on the conveying mechanism.

[0005] As a preference of this technical solution, the conveying mechanism includes a conveying frame and support legs. The conveying frame is horizontally arranged and includes two parallel frame plates. The support legs are arranged at the lower end of the frame plates. The frame plates include fixed plates and movable plates, and the movable plates slide along the conveying direction on the fixed plates.

[0006] As a preference of this technical solution, the support legs include fixed support legs and movable support legs. The fixed support legs are arranged at the lower end of the fixed plates, the movable support legs are arranged at the lower end of the movable plates, and walking wheels are arranged on the movable support legs.

[0007] As a preference of this technical solution, the telescopic driving mechanism is arranged between the two frame plates. The telescopic driving mechanism includes a driving motor, a lead screw I, a first connecting plate, a second connecting plate and a third connecting plate. The first connecting plate and the second connecting plate are arranged between the two fixed plates, the third connecting plate is arranged between the two movable plates. The first connecting plate, the second connecting plate and the third connecting plate are parallel to each other. The driving motor is arranged on the first connecting plate and the output end penetrates through the first connecting plate. The lead screw I is connected to the output end of the driving motor and is threadedly connected to the second connecting plate and the third connecting plate. A first bevel gear is arranged on the lead screw I.

[0008] As an optimization of this technical solution, the conveyor belt tensioning mechanism includes a second screw rod, a pressure roller frame and a pressure roller. A fourth connecting plate is arranged between the support legs. The second screw rod rotates vertically on the fourth connecting plate. The pressure roller rotates on the pressure roller frame. The pressure roller frame is connected to the second screw rod through a sleeve in a threaded manner. A second bevel gear meshing with the first bevel gear is arranged on the second screw rod.

[0009] As an optimization of this technical solution, the pusher mechanism includes a column, an electric push rod and a push plate. The column is arranged on the base on one side of the storage rack. The electric push rod is arranged on one side of the column. The electric push rod penetrates through the column and is connected to the push plate.

[0010] As an optimization of this technical solution, a lifter and a flat plate are arranged inside the storage rack. The lifting end of the lifter faces upward and is connected to the flat plate.

[0011] Compared with the prior art, the utility model has the following beneficial effects: By arranging the conveying mechanism, the workpieces in the storage rack can be conveyed. The front section of the conveying mechanism is a telescopic section, which can extend the conveying mechanism into the machining center, reducing the labor intensity of manual feeding, improving work efficiency and having a lower cost. Description of the Drawings

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 It is a top view schematic diagram of the conveying mechanism of the utility model.

[0014] Figure 3 It is Figure 2 the A-A view of

[0015] Figure 4 It is a side view schematic diagram of the conveying mechanism of the utility model.

[0016] Figure 5 It is a structural schematic diagram of the pusher mechanism of the utility model.

[0017] Figure 6 It is a structural schematic diagram of the storage rack of the utility model. Detailed Embodiments

[0018] Next, the technical solutions in the embodiments of the utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the utility model without creative efforts shall fall within the protection scope of the utility model.

[0019] Please refer to Figures 1-6, the feeding mechanism of a machining center of the present utility model includes a base 1, a material pushing mechanism 3, a storage rack 4, and a conveying mechanism 5. Traveling wheels 2 are provided at the lower end of the base 1. The material pushing mechanism 3, the storage rack 4, and the conveying mechanism 5 are successively arranged on the upper end surface of the base 1, that is, arranged in sequence along the length direction of the base 1. The storage rack 4 is used for storing workpieces. The material pushing mechanism 3 pushes the workpieces on the storage rack 4 onto the conveying mechanism 5. The conveying mechanism 5 is a belt conveyor. The front section of the conveying mechanism 5 is a telescopic section. A telescopic driving mechanism and a conveyor belt tensioning mechanism adapted to the telescopic movement of the telescopic section are provided on the conveying mechanism 5.

[0020] When the present utility model is specifically implemented, the conveying mechanism 5 includes a conveying frame and support legs 56. The conveying frame is horizontally arranged. The conveying frame 51 includes two parallel frame plates 51. A driving pulley 54 and a driven pulley 55 are connected between the two ends of the two frame plates 51. A conveyor belt 17 is sleeved between the driving pulley 54 and the driven pulley 55. The driving pulley 54 is connected with a conveying motor 53 for driving the driving pulley 54 to rotate. The support legs 56 are arranged at the lower end of the frame plates 51. The support legs 56 of the two frame plates 51 are opposite to each other in pairs. The frame plate 51 includes a fixed plate 511 and a movable plate 512. The movable plate 512 slides on the fixed plate 511 along the conveying direction. The fixed plate 511 and the movable plate 512 can be made of square tubes. The movable plate 512 is slidably arranged in the square tube, or can also be made of C-shaped steel.

[0021] The support legs 56 of the present utility model include fixed support legs and movable support legs. The fixed support legs are arranged at the lower end of the fixed plate 511. The movable support legs are arranged at the lower end of the movable plate 512. Traveling wheels 2 are provided on the movable support legs. The fixed support legs are fixed on the base 1. The movable support legs are arranged on the ground outside the base 1. A certain distance is left between the front ends of the movable support legs and the movable plate 512 to facilitate the movable plate 512 to extend into the machining center.

[0022] The telescopic driving mechanism of the present utility model is arranged between two frame plates 51. The telescopic driving mechanism includes a driving motor 6, a lead screw I 11, a first connecting plate 7, a second connecting plate 9 and a third connecting plate 10. The first connecting plate 7 and the second connecting plate 9 are arranged between two fixed plates 511. The third connecting plate 10 is arranged between two movable plates 512. The first connecting plate 7, the second connecting plate 9 and the third connecting plate 10 are parallel to each other. That is, the first connecting plate 7 and the second connecting plate 9 are both vertically connected to the fixed plate 511, and the third connecting plate 10 is vertically connected to the movable plate 512. The driving motor 6 is arranged on the first connecting plate 7 and its output end penetrates the first connecting plate 7. The driving motor 6 is a forward and reverse motor. The lead screw I 11 is connected to the output end of the driving motor 6 and is threadedly connected to the second connecting plate 9 and the third connecting plate 10. That is, one end of the lead screw I 11 is connected to the output end of the driving motor 6, and the other end is threadedly connected to the third connecting plate 10. The part between the two ends of the lead screw I 11 is threadedly connected to the second connecting plate 9. A first bevel gear 8 is arranged on the lead screw I 11. Specifically, the first bevel gear 8 is arranged on the lead screw I 11 between the first connecting plate 7 and the second connecting plate 99. A limiting boss is arranged at the end of the lead screw I 11 on the third connecting plate 10.

[0023] The conveyor belt tensioning mechanism of the present utility model includes a lead screw II 12, a pressure roller frame 15 and a pressure roller 16. A fourth connecting plate 19 is arranged between the support legs 56. The lead screw II 12 rotates vertically on the fourth connecting plate 19. The pressure roller frame 15 is in an inverted U shape. The pressure roller 16 rotates in the U shape of the pressure roller frame 15. The pressure roller frame 15 is threadedly connected to the lead screw II 12 through a sleeve 20. A second bevel gear 13 meshing with the first bevel gear 8 is arranged on the lead screw II 12. A limiting boss is arranged at the end of the lead screw II 12 connected to the pressure roller frame 15.

[0024] The pushing mechanism 3 of the present utility model includes a column 31, an electric push rod 32 and a push plate 33. The column 31 is arranged on the base 1 on one side of the storage rack 4. The electric push rod 32 is arranged on one side of the column 31. The electric push rod 32 penetrates the column 31 and is connected to the push plate 33 to drive the push plate 33 to stretch towards the storage rack 4. That is, the electric push rod 32 and the push plate 33 are arranged on both sides of the column 31. A lifter 21 and a flat plate 22 are arranged in the storage rack 4. The lifting end of the lifter 21 faces upwards and is connected to the flat plate 22. Workpieces are placed on the flat plate 22. When the workpieces are plate-shaped, they can be stacked on the flat plate 22. When the workpieces are of other shapes, a multi-layer material box can be arranged on the flat plate 22. Both the left and right sides of the material box are open. The push plate 33 can push the workpieces through the opening to another opening and convey them to the conveying mechanism 5.

[0025] When the utility model works specifically, the device is moved to the front of the inlet and outlet of the machining center. The lifter 21 in the storage rack 4 rises upward, driving the workpiece on the flat plate 22 to rise. When it reaches the same level as the push plate 33, the electric push rod 32 pushes the push plate 33 to push the workpiece onto the conveying mechanism 5. The driving motor 6 on the conveying mechanism 5 rotates, driving the lead screw I 11 to rotate, so that the telescopic section of the conveying mechanism 5 extends, and extends into the interior of the machining center through the inlet and outlet of the machining center to convey the workpiece to the machining position. At the same time, the first bevel gear 8 of the lead screw I 11 meshes with the second bevel gear 13, driving the lead screw II 12 to rotate, so that the pressure roller frame 15 drives the pressure roller 16 to relax the conveyor belt 17. After the workpiece is conveyed, the driving motor 6 reverses, so that the telescopic section of the conveying mechanism 5 contracts and moves out of the machining center to complete the feeding.

[0026] Finally, it should be noted that the above embodiments are only specific embodiments of the present utility model, used to illustrate the technical solutions of the present utility model, rather than limiting it. The protection scope of the present utility model is not limited thereto. Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that any person skilled in the art within the technical scope disclosed by the present utility model can still modify the technical solutions recorded in the foregoing embodiments, or can easily think of changes, or perform equivalent replacements for some of the technical features; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model, and should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. A loading mechanism for a machining center, characterized in that: It includes a base, a material pushing mechanism, a material storage rack and a conveying mechanism. Travel wheels are provided at the lower end of the base. The material pushing mechanism, the material storage rack and the conveying mechanism are sequentially arranged on the upper end surface of the base. The material pushing mechanism pushes the workpieces on the material storage rack onto the conveying mechanism. The conveying mechanism is a belt conveyor. The front section of the conveying mechanism is a telescopic section. A telescopic driving mechanism and a belt tensioning mechanism adapted to the telescopic movement of the telescopic section are provided on the conveying mechanism.

2. The loading mechanism of the machining center according to claim 1, characterized in that: The conveying mechanism includes a conveying frame and support legs. The conveying frame is horizontally arranged. The conveying frame includes two parallel frame plates. The support legs are arranged at the lower ends of the frame plates. The frame plates include fixed plates and movable plates. The movable plates slide along the conveying direction on the fixed plates.

3. The loading mechanism of the machining center according to claim 2, wherein: The support legs include fixed support legs and movable support legs. The fixed support legs are arranged at the lower ends of the fixed plates. The movable support legs are arranged at the lower ends of the movable plates. Travel wheels are provided on the movable support legs.

4. The loading mechanism of the machining center according to claim 2, wherein: The telescopic driving mechanism is arranged between the two frame plates. The telescopic driving mechanism includes a driving motor, a lead screw I, a first connecting plate, a second connecting plate and a third connecting plate. The first connecting plate and the second connecting plate are arranged between the two fixed plates. The third connecting plate is arranged between the two movable plates. The first connecting plate, the second connecting plate and the third connecting plate are parallel to each other. The driving motor is arranged on the first connecting plate and its output end penetrates through the first connecting plate. The lead screw I is connected to the output end of the driving motor and is threadedly connected to the second connecting plate and the third connecting plate. A first bevel gear is provided on the lead screw I.

5. The loading mechanism of the machining center according to claim 4, characterized in that: The belt tensioning mechanism includes a lead screw II, a pressure roller frame and a pressure roller. A fourth connecting plate is arranged between the support legs. The lead screw II rotates vertically on the fourth connecting plate. The pressure roller rotates on the pressure roller frame. The pressure roller frame is threadedly connected to the lead screw II through a sleeve. A second bevel gear meshing with the first bevel gear is provided on the lead screw II.

6. The loading mechanism of the machining center according to claim 1, characterized in that: The material pushing mechanism includes a column, an electric push rod and a push plate. The column is arranged on the base on one side of the material storage rack. The electric push rod is arranged on one side of the column. The electric push rod penetrates through the column and is connected to the push plate.

7. The loading mechanism of the machining center according to claim 1, wherein: A lifter and a flat plate are arranged in the material storage rack. The lifting end of the lifter faces upward and is connected to the flat plate.

Images